package com.itany.cloud.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * @author 石小俊
 */
//@Component
public class AuthenticationFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        System.out.println("AuthenticationFilter.filter");
        ServerHttpRequest request = exchange.getRequest();
        ServerHttpResponse response = exchange.getResponse();
        // 获取请求参数
        String password = request.getQueryParams().getFirst("password");
//        if(null == password || "".equals(password)){
//            // 认证未通过,返回401状态码
//            response.setStatusCode(HttpStatus.UNAUTHORIZED);
//            // 不放行
//            return response.setComplete();
//        }
//        // 放行
//        return chain.filter(exchange);
        if ("123456".equals(password)) {
            return chain.filter(exchange);
        } else {
            // 认证未通过,返回401状态码
            response.setStatusCode(HttpStatus.UNAUTHORIZED);
            // 不放行
            return response.setComplete();
        }
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
